计算目录下某个日期文件的总大小

组件

查到每个文件大小

ll | grep "Feb 11" | cut -d " " -f 5 > sum.txt

去掉空行

sed '/^[[:blank:]]*$/d' sum.txt > sum.txt1

计算大小

#!/bin/sh
while read line
do
        #echo $line
        num=`expr $num + $line`
        #echo $sum
done <$sum.txt1
echo $num

计算除法

#!/bin/sh
while read line
do
        #echo $line
        num=`expr $num + $line`
        #echo $sum
done <sum.txt1
echo $num
summ=`echo "scale=2;$num / 1024"|bc`
echo $summ K

第一版

#!/bin/sh

ls -l -G | grep "$1" | cut -d " " -f 5 > sum.txt

sed '/^[[:blank:]]*$/d' sum.txt > sum.txt1

while read line
do
        #echo $line
        num=`expr $num + $line`
        #echo $sum
done <sum.txt1
echo $num
summ=`echo "scale=2;$num / 1024"|bc`
echo $summ

sh date.sh Feb 11

第二版

#!/bin/sh

ls -l -G | grep "$1" | awk '{print $4}' > sum.txt

sed '/^[[:blank:]]*$/d' sum.txt > sum.txt1

while read line
do
        #echo $line
        num=`expr $num + $line`
        #echo $sum
done <sum.txt1
echo $num
summ=`echo "scale=2;$num / 1024"|bc`
echo $summ

sh date.sh Feb 11

最终版，，，哈哈哈

ls -l -G | grep "Feb 11" | awk '{sum+=$4} END {print sum}'

ls -l -G  | grep "Feb 11" | awk '{sum+=$4} END {print sum/1024}'